Cited by 160Hypothalamic control of reproductive hormonesGenetic and Clinical Aspects of Sex Determination and Chromosomal AbnormalitiesPituitary Gland Disorders and Treatments

Reversible Kallmann Syndrome, Delayed Puberty, and Isolated Anosmia Occurring in a Single Family with a Mutation in the Fibroblast Growth Factor Receptor 1 Gene

Pitteloud, Nelly, Acierno, James S., Meysing, Astrid U., Dwyer, Andrew A., Hayes, Frances J., Crowley, William F.·2005·The Journal of Clinical Endocrinology & Metabolism

Abstract

Kallmann syndrome (KS) is a clinically and genetically heterogeneous disorder. Recently, loss-of-function mutations in the fibroblast growth factor receptor 1 (FGFR1) gene have been shown to cause autosomal dominant KS. To date, the detailed reproductive phenotype of KS associated with mutations in the FGFR1 has yet to be described. We report a kindred comprising a male proband with KS and spontaneous reversibility, whose mother had delayed puberty and whose maternal grandfather isolated anosmia. The proband presented at age 18 yr with KS and was subsequently treated with testosterone (T) therapy. Upon discontinuation of T therapy, he recovered from his hypogonadotropic hypogonadism, as evidenced by a normal LH secretion pattern, sustained normal serum T levels, and active spermatogenesis. The three members of this single family harbor the same FGFR1 mutation (Arg622X) in the tyrosine kinase domain. This report demonstrates 1) the first genetic cause of the rare variant of reversible KS, 2) the reversal of hypogonadotropic hypogonadism in a proband carrying an FGFR1 mutation suggests a role of FGFR1 beyond embryonic GnRH neuron migration, and 3) a loss of function mutation in the FGFR1 gene causing delayed puberty.

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Registry

Crossref · 10.1210/jc.2004-1361

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  • Reversal of IHH after testosterone treatment has been reported in a patient with a heterozygous FGFR-1 Arg622X mutation.

    “Reversal of IHH after testosterone treatment has been reported in a patient harboring a heterozygous mutation in the tyrosine kinase domain of FGFR-1 (Arg622X).”
  • Reversal of IHH in the FGFR-1 Arg622X case suggests that FGFR-1 might regulate reproduction beyond embryonic GnRH neuronal migration.

    “Reversal of IHH in this case suggests that FGFR-1 might regulate reproduction beyond the stage of embryonic GnRH neuronal migration.”

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Authors
Pitteloud, N., Acierno, J. S., Meysing, A. U., Dwyer, A. A., Hayes, F. J., & Crowley, W. F.
Affiliations
Massachusetts General Hospital (US)
Corresponding author
Pitteloud, Nelly
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2005-03-01
Volume
90
Issue
3
Pages
1317-1322
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W1964741660
Cited by
160
References
40
Citations by year
2025: 4 · 2024: 1 · 2023: 3 · 2022: 4 · 2021: 13 · 2020: 1 · 2019: 5 · 2018: 4 · 2017: 2 · 2016: 7 · 2015: 6 · 2014: 8 · 2013: 7 · 2012: 12
FWCI
13.01
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Massachusetts General Hospital
  • National Institutes of Health (5r01dk003892-40)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK-03892)
  • National Center for Research Resources (M01RR001066, M01-RR01066)
  • NIH Clinical Center
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD15788, R01HD015788, U54HD029164, U54HD028138)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Pituitary Gland Disorders and Treatments
Keywords
Kallmann syndrome, FGFR1 mutation, FGFR1, delayed puberty, hypogonadotropic hypogonadism, testosterone replacement therapy, loss-of-function mutations, tyrosine kinase domain, spermatogenesis, GnRH neuron migration, autosomal dominant inheritance, familial kindred
MeSH terms
Adult, Amino Acid Sequence, Androgens, Olfaction Disorders, Family Health, Humans, Hypothalamo-Hypophyseal System, Gonadotropin-Releasing Hormone, Male, Molecular Sequence Data, Neurons, Pedigree, Pituitary-Adrenal System, Puberty, Delayed, Testosterone, Kallmann Syndrome, Receptors, Fibroblast Growth Factor, Receptor Protein-Tyrosine Kinases, Receptor, Fibroblast Growth Factor, Type 1

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